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OpenPencil

OpenPencil is a free, open-source design editor compatible with Figma files, and it also provides a toolkit for building custom editors.

Place
#25 of 32
Score
6.7
OpenPencil's website

What OpenPencil is

OpenPencil is a free, open-source design editor compatible with Figma files, and it also provides a toolkit for building custom editors. It opens and saves native .fig files and supports copying and pasting between OpenPencil and Figma. Design tools include vector drawing, rich text, flexbox and CSS Grid auto-layout, components, variables, and multi-page documents. Exports include PNG, JPG, WEBP, SVG, and Tailwind JSX, with image scaling from 0.5× to 4×. Its AI assistant offers more than 90 tools for design editing and analysis and can connect to Anthropic, OpenAI, Google AI, and OpenRouter; users supply a provider key, with no OpenPencil subscription or backend for that feature. The CLI can inspect, export, and analyze .fig files, including JSON output. Real-time collaboration uses peer-to-peer WebRTC without an account. OpenPencil describes itself as local-first, with no account or server required. Desktop apps are available for macOS, Windows, and Linux; its web app can be installed as a touch-optimized mobile PWA.

Good

  • Opens and saves native Figma .fig files
  • Exports five listed formats, including Tailwind JSX
  • Peer-to-peer collaboration requires no account
  • Desktop apps and a mobile-installable web app

Watch out

  • AI use requires a key from a model provider
  • Local chat history is not cloud-synchronized or backed up
  • No prototype capabilities are listed
  • No developer handoff is listed

Who it suits

OpenPencil suits people who work with Figma files and want an open-source editor with vector, layout, and export tools. Its Vue SDK is intended for teams embedding a focused canvas or editing workflow in another product.

Verdict

OpenPencil combines Figma file compatibility with a broad set of design and export tools, plus account-free peer-to-peer collaboration. Consider the provider-key requirement for AI and the lack of listed prototype capabilities or developer handoff when assessing whether it fits your workflow.

Plans and prices

From OpenPencil's own pricing page, checked 7 Oct 2026.

All about pricing
PlanPriceWhat it gives you
FreeFreeNo account · no subscription · MIT-licensed open-source editor

The facts

Each one read from OpenPencil's own pages, with the date it was checked.

What it does

AI assistant
The built-in AI assistant offers 90+ tools for design editing and analysis and can connect to providers including Anthropic, OpenAI, Google AI, and OpenRouter.checked 7 Oct 2026
Automation
The CLI can inspect, export, and analyze .fig files, and supports machine-readable JSON output.checked 7 Oct 2026
Collaboration
Real-time collaboration uses peer-to-peer WebRTC, requires no account, and sends design data directly between peers rather than through a central server.checked 7 Oct 2026
Design tools
The editor includes vector drawing, rich text, flexbox and CSS Grid auto-layout, components, variables, and multi-page documents.checked 7 Oct 2026
Exports
Designs can be exported as PNG, JPG, WEBP, SVG, or Tailwind JSX, with image export scales from 0.5× to 4×.checked 7 Oct 2026
Figma files
It opens and saves native Figma .fig files and supports copying and pasting between Figma and OpenPencil.checked 7 Oct 2026
Integrations
The MCP server connects with Claude Code, Cursor, Windsurf, and other MCP clients over stdio or HTTP.checked 7 Oct 2026
Intended users
The Vue SDK is intended for teams embedding a focused canvas, internal workflow tool, template editor, or AI-assisted editing surface in another product.checked 7 Oct 2026
Local data
The product describes itself as local-first, with no account or server required, and says local chat history is not cloud-synchronized or backed up.checked 7 Oct 2026
Mobile
The web app can be installed as a PWA on mobile and has a touch-optimized interface.checked 7 Oct 2026
Product
OpenPencil is an open-source, Figma-compatible design editor that also serves as a toolkit for building custom editors.checked 7 Oct 2026
Security
The MCP HTTP server enables authentication by default, binds TCP to 127.0.0.1 by default, and restricts file operations to a configured root while rejecting symlink escapes.checked 7 Oct 2026

Money

AI billing
The AI feature has no OpenPencil subscription or backend; users provide a key that connects directly to the model provider.checked 7 Oct 2026

Where it runs

Desktop platforms
Desktop binaries are available for macOS, Windows, and Linux; the macOS app is signed and notarized.checked 7 Oct 2026

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